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Q. |
With regard to gastric acid secretion, all the following are true EXCEPT: |
A. | acetylcholine stimulates secretion |
B. | both G protein and direct calcium channels are involved |
C. | an H+ - K+ antiport transports H+ into the gastric lumen |
D. | parietal cells have high levels of carbonic anhydrase |
E. | acid secretion is maintained at constant levels by local feedback mechanisms |
Answer» E. acid secretion is maintained at constant levels by local feedback mechanisms |
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